Free online SRT to SUB converter
How to convert SRT subtitles to SUB format. Available srt to sub converters.
Convert SRT to SUB online - free
Your file is processed instantly and never stored on our servers.
Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
How it works
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Upload your .srt file
Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
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Perform .srt to .sub conversion
After successful file upload, click to convert when you are ready.
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Download converted .sub file
Conversion result is ready to download.
How to convert srt to sub file
- Video subtitles
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Both the SRT and SUB are common movie subtitle formats, so you can easily convert them in pretty much every subtitle editors and creators. You can even find websites that offer subtitle conversions (including srt to sub conversion) directly from your web browser.
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Understanding SRT and SUB file formats
SRT (SubRip Subtitle) and SUB (MicroDVD Subtitle) are both subtitle file formats used in video playback. SRT files are simple text files that contain subtitle sequences with start and end times, while SUB files are often used with a corresponding IDX file to provide more detailed subtitle information, such as font and color.
Why convert SRT to SUB?
Converting SRT to SUB may be necessary when a video player or editing software requires the SUB format for compatibility or when specific subtitle styling is needed that SRT does not support.
How to convert SRT to SUB
To convert SRT to SUB, you can use various software tools or online converters. The process typically involves loading the SRT file and exporting it as a SUB file.
Best software for SRT to SUB conversion
One of the best software options for converting SRT to SUB is Subtitle Edit. This free, open-source tool supports a wide range of subtitle formats and offers a straightforward conversion process.
Steps to convert using Subtitle Edit
- Open Subtitle Edit and load your SRT file by clicking File → Open.
- Once the file is loaded, go to File → Export → MicroDVD (.sub).
- Choose your desired settings and save the file.
Subtitle Edit provides a user-friendly interface and supports batch conversion, making it an excellent choice for handling multiple files.
SRT vs SUB: format comparison
How the SRT and SUB formats compare on the properties that matter most for this conversion.
| Property | .SRT SubRip Subtitle | .SUB MicroDVD subtitle |
|---|---|---|
| Text styling | Basic | Basic |
| On-screen positioning | Yes | Yes |
| Timing precision | Milliseconds | Frame-based |
| Storage | Embedded in the file | Separate file |
| Player support | Wide | Limited |
| Plain-text readable | Yes | Yes |
| Typical file size | Very small | Very small |
| Open standard | Partly open | No |
| Introduced | 1997 | — |
| Developer | Unknown / SubRip community | — |
| MIME type | application/x-subrip | — |
Suggested software and links: srt to sub converters
Frequently asked questions
Is the SRT to SUB converter free?
Yes, converting SRT to SUB on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my SRT file be?
You can upload SRT files up to 100 MB and convert up to 100 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert SRT to SUB?
No. The SRT to SUB conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid SRT file for this SRT to SUB conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.